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- W2327430097 abstract "The Guided Parafoil Air Delivery System Light (GPADS-Light) is a fully autonomous parafoil guidance system utilizing the military Global Positioning System (GPS) and a high performance 750 ft parafoil for precise delivery of payloads to a predetermined target. GPADS-Light is the first Advanced Precision Air Delivery System (APADS) to be fielded to the U.S. Department of Defense. These systems were purchased by the U.S. Soldier Systems Command, Natick Research, Development and Engineering Center (Natick) from SSE Incorporated as part of the Warfighting Rapid Acquisition Program. This paper presents the results of the recent formal qualification by Natick of GPADS-Light, and describes Pioneer Aerospace Corporation's GS-7SO parafoil, which employs a high-performance NASA LS(1)-0417 airfoil. This parafoil generates total system glide ratios in excess of 4:1 in straight flight with 'real' payloads, providing total mission offsetialtitude ratios of 3:1. GPADS-Light has a qualified delivery accuracy of 100 m circular error probable (CEP). GPADS-Light, and its commercial GPS equivalent, ORIONTM, have logged over 500 flights. The military system is qualified to deliver payloads in the range 700 to l,1001b, and has further demonstrated the ability to successfully deliver payloads up to 1,500 Ib. * Project Officer, Member AIAA •f Director of Programs, Member AIAA j Program Manager, Associate Fellow AIAA Copyright © by the American Institute of Aeronautics and Astronautics. All rights reserved. GPADS OVERVIEW The Guided Parafoil Air Delivery System (GPADS) is the Natick's designation for a precision guided delivery system consisting of an autonomous Airborne Guidance Unit (AGU) and a family of high-glide ram-air parafoils. The AGU includes the Flight Management System (FMS). An on-board computer processes data received from a military GPS receiver as well as other sensors, and inputs the merged data to a guidance algorithm that generates commands to control the parafoil. The FMS flies the parafoil system to a soft, upwind landing at a pre-selected site. GPADS-Light is the smallest of the three weight classes of GPADS. GPADS-Medium and GPADS-Heavy have been designed by Pioneer and SSE to deliver payloads over the range of 7,000 to 40,000 Ib, on parafoils with wing areas of 3,600 to 7,350 ft. Payload weights ranging from 7,200 to 36,750 Ib have been successfully demonstrated over the last three years. GPADS-Heavy is currently being adapted by NASA as the recovery system for the International Space Station X-38 Experimental Crew Return Vehicle. GPADS-LIGHT RAPID ACQUISITION The U.S. Army Battle Labs have long been major proponents of the Advanced Precision Airborne Delivery Systems (APADS) concept. GPADS-Light is the first of these systems to be fielded to the U.S. Department of Defense (DoD). Natick's Mission Need Statement calls for GPADS-Light to rapidly and safely deliver warfighting essentials to support forced entry in order to sustain operations in non-permissive environments. GPADS-Light supports the need to" @default.
- W2327430097 created "2016-06-24" @default.
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- W2327430097 date "1997-06-03" @default.
- W2327430097 modified "2023-10-16" @default.
- W2327430097 title "Qualification of the Guided Parafoil Air Delivery System-Light (GPADS-Light)" @default.
- W2327430097 cites W2318017195 @default.
- W2327430097 doi "https://doi.org/10.2514/6.1997-1493" @default.
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